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Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Tubule permeabilities and concentrations of the filtrate in the loop of Henle and collecting duct. Tubule permeabilities and concentrations of the filtrate in the loop of Henle and collecting duct.
Collecting a 24-Hour Urine Specimen Collecting a 24-Hour Urine Specimen
Testing for Glucose in Urine Using the Tablet Method Testing for Glucose in Urine Using the Tablet Method
An example of a urine chemical analyzer. An example of a urine chemical analyzer.
Urine Test for Pregnancy Urine Test for Pregnancy
17th Century Physician Examining a Urine Specimen 17th Century Physician Examining a Urine Specimen
Video: Spermatogenesis Animation

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